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- Wed Feb 24, 2010 11:48 am
- Forum: Nordyne Service & Repair
- Topic: Miller M1MB 070ABW Pressure Switch Open
- Replies: 1
- Views: 2168
Miller M1MB 070ABW Pressure Switch Open
Strange situation. My furnace will being its cycle and the pressure switch will flash "open". Thinking it was the switch, I have replaced 4 of them. The last time the switch indicated "open", I jiggled the terminal lead and the light was solid and the furnace fired. I had the lea...